Home / 229,091.03-316,162.91-127,135.74

Finding the Fourth Proportional to 229,091.03, 316,162.91 and 127,135.74

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Solution

The fourth proportional to 229,091.03, 316,162.91 and 127,135.74 is: 175,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,091.03 : 316,162.91 = 127,135.74 : x
  2. Step 2: Convert to fraction form
    229,091.03/316,162.91 = 127,135.74/x
  3. Step 3: Cross multiply
    229,091.03x = 316,162.91 × 127,135.74
  4. Step 4: Simplify right side
    229,091.03x = 40,195,604,887.72
  5. Step 5: Solve for x
    x = 40,195,604,887.72/229,091.03
  6. Step 6: Final answer
    x = 175,456.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.